פותח שער
Subtitle: ʻal Hilkhot Nidah u-ṭevilah
By: Shalom Friedman
Edition: Hotsaʼah 2., ʻim hosafot ṿe-tiḳunim.
Publisher: Sh. Friedman
Published: 1985
Place of publication: London
Language: heb
Number of pages: 265
Subjects: Ritual Purity; Judaism; Mikveh
Other titles: Poteʼaḥ shaʻar